It is estimated that the global reserve of methane hydrate is ______________ the global reserves of coal, oil, and natural gas.
A) equal to
B) less than
C) twice
D) ten times

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The Answer of It is estimated that the global reserve of methane hydrate is ______________ the global reserves of coal, oil, and natural gas.
A) equal to
B) less than
C) twice
D) ten times

It Is Estimated That the Global Reserve of Methane Hydrate